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الموضوع: ابي اجوبه تكفون

  1. #1
    عضوية جديدة
    تاريخ التسجيل
    Nov 2011
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    4
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    Question ابي اجوبه تكفون



    ?( Which of the following items are considered WAN devices? (Choose three
    A. Bridge
    B. Modem
    C. Router
    D. Ethernet switch
    E. Access server
    F. Repeater


    ? Which layer of the hierarchical network design model is often called the backbone
    A. Access
    B. Distribution
    C. Network
    D. Core
    E. Workgroup
    F. WAN


    Match each term with its definition
    Circuit switching
    Packet switching
    Connection-oriented packet switching
    Connectionless packet switching

    A. A switching technology in which each switch must evaluate the packet’s address to
    determine where to send it
    B. A switching technology in which a virtual circuit exists only while a packet travels
    through it
    C. A switching technology that establishes routes through the switches for particular
    end-to-end connections
    D. A switching technology that has a preestablished dedicated circuit (or channel

    between nodes and terminals


    Match each term with its packet-switched technology definition
    Metro Ethernet
    X.25
    ATM
    Frame Relay

    A. Provides a high-bandwidth Layer 2 network that can manage data, voice, and video
    all on the same infrastructure
    B. Built on a cell-based architecture in which the cell has a fixed length of 53 bytes
    C. Operates at the data link layer, and the PVC is identified by a Data Link Control
    Identifier
    D. Operates at the network layer, and the SVC is identified by a channel number


    ? Which device is commonly used as Data Terminal Equipment
    A. ISDN
    B. Modem
    C. Router
    D. CSU/DSU


    Which type of WAN connection should you choose when a dedicated point-to-point
    WAN communications path from the customer premises through the provider network
    to a remote destination is required

    A. ISDN
    B. Analog dialup
    C. ATM
    D. Frame Relay
    E. Leased line


    ? How are Frame Relay virtual circuits identified
    A. CIR
    B. DLCI
    C. VPI
    D. MAC
    E. SPID

    What WAN technology is designed to deliver data, voice, and video simultaneously
    built on a cell-based architecture

    A. ATM
    B. Cable
    C. Frame Relay
    D. ISDN


    Which architecture enables enterprises to offer important network services—such as
    security, new communication services, and improved application performance—to
    every office, regardless of its size or proximity to headquarters

    A. Cisco Enterprise Campus Architecture
    B. Cisco Enterprise Data Center Architecture
    C. Cisco Enterprise Branch Architecture
    D. Cisco Enterprise Teleworker Architecture


    At which layer of the hierarchical network model do users connect to the network
    A. Application
    B. Access
    C. Distribution
    D. Network
    E. Core


    ISDN PRI is composed of how many B channels in North America
    A. 2
    B. 16
    C. 23
    D. 30
    E. 64

    The ability to connect securely to a private network over a public network is provided
    by which WAN technology

    A. DSL
    B. Frame Relay
    C. ISDN
    D. PSTN
    E. VPN


    Which hierarchical network model layer is responsible for containing network problems
    to the workgroups in which they occur

    A. Application
    B. Access
    C. Distribution
    D. Network
    E. Core


    What term describes the cabling that connects the customer site to the nearest exchange
    of the WAN service provider

    A. CPE
    B. CO
    C. Local loop
    D. DCE
    E. DTE


    Which goal can be accomplished by implementing the Cisco Enterprise Teleworker
    Architecture

    A. It allows the enterprise to add large branch sites that span geographic areas
    B. It allows the enterprise to deliver secure voice and data services to workers no matter
    where or when they work
    C. To reduce remote security threats, it forces users who are located at main sites to log
    on to resources
    D. It satisfies telephony requirements for users who are located at medium to large
    enterprise sites

  2. #2
    عضو
    تاريخ التسجيل
    Dec 2008
    المشاركات
    118
    معدل تقييم المستوى
    0

    رد: ابي اجوبه تكفون

    حاولت احل وبحث شوي اتمنى يارب يكون حلي صحيح ولو في اخطاء ياليت الشباب يساعدون في تصحيحها

    حلي هو التالي

    Which of the following items are considered WAN devices? (Choose three
    B. Modem
    C. Router
    F. Repeater


    Which layer of the hierarchical network design model is often called the backbone
    D. Core

    Match each term with its definition

    Circuit switching
    D. A switching technology that has a preestablished dedicated circuit (or channel

    between nodes and terminals

    Packet switching
    C. A switching technology that establishes routes through the switches for particular
    end-to-end connections

    Connection-oriented packet switching
    A. A switching technology in which each switch must evaluate the packet’s address to
    determine where to send it

    Connectionless packet switching

    B. A switching technology in which a virtual circuit exists only while a packet travels
    through it



    Match each term with its packet-switched technology definition
    Metro Ethernet
    A. Provides a high-bandwidth Layer 2 network that can manage data, voice, and video
    all on the same infrastructure


    X.25
    D. Operates at the network layer, and the SVC is identified by a channel number
    ATM
    B. Built on a cell-based architecture in which the cell has a fixed length of 53 bytes
    Frame Relay
    C. Operates at the data link layer, and the PVC is identified by a Data Link Control
    Identifier






    ? Which device is commonly used as Data Terminal Equipment
    D. CSU/DSU


    Which type of WAN connection should you choose when a dedicated point-to-point
    WAN communications path from the customer premises through the provider network
    to a remote destination is required

    E. Leased line


    ? How are Frame Relay virtual circuits identified
    B. DLCI


    What WAN technology is designed to deliver data, voice, and video simultaneously
    built on a cell-based architecture
    A. ATM



    Which architecture enables enterprises to offer important network services—such as
    security, new communication services, and improved application performance—to
    every office, regardless of its size or proximity to headquarters

    D. Cisco Enterprise Teleworker Architecture


    At which layer of the hierarchical network model do users connect to the network
    B. Access



    ISDN PRI is composed of how many B channels in North America

    C. 23


    The ability to connect securely to a private network over a public network is provided
    by which WAN technology

    E. VPN


    Which hierarchical network model layer is responsible for containing network problems
    to the workgroups in which they occur

    C. Distribution



    What term describes the cabling that connects the customer site to the nearest exchange
    of the WAN service provider
    E. DTE


    Which goal can be accomplished by implementing the Cisco Enterprise Teleworker
    Architecture
    B. It allows the enterprise to deliver secure voice and data services to workers no matter
    where or when they work



  3. #3
    عضوية جديدة
    تاريخ التسجيل
    Nov 2011
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    4
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    رد: ابي اجوبه تكفون

    الله يفرج كربتك
    ويوفقك دنيا وأخره


  4. #4
    عضو
    تاريخ التسجيل
    Apr 2005
    المشاركات
    667
    الدولة: Cook Islands
    معدل تقييم المستوى
    13

    رد: ابي اجوبه تكفون



    ? Which device is commonly used as Data Terminal Equipment
    A. ISDN
    B. Modem
    C. Router
    D. CSU/DSU

    الاجابة هي : router وليس csu/dsu كما ذكرت اخي bgb

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